Is Berkshire's big tech investment a sign that omaha is getting bolder with risks?

Only a week after the announcement of Berkshire Hathaway last Friday that it had acquired 17.8 million Class A shares of the parent company of Google, Alphabet, in the third quarter (July to September), the market value of that position has already gone up by $415 million to nearly $5.35 billion. GOOGL gained 8.4% this week while its biggest tech rivals fell significantly as Nvidia’s strong earnings failed to overcome fears of an AI bubble. Alphabet shares started the week with a 3.1% boost on Monday, apparently in reaction to the news of Berkshire’s purchase. Bloomberg Opinion columnist Nir Kaissar recalls Buffett’s famous refusal to invest in a business he doesn’t fully understand, which kept him out of the internet bubble in the late 1990s, calling AI orders of magnitude more complicated than selling books or pet food online.